SpeedFactory Thermostat housing cover 16AN (Honda D16Z6 engines)
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Naturally it is possible that a product has an (unexpected) longer delivery time.
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SpeedFactory Thermostat housing cover 16AN.
This cast thermostat housing serves as a direct replacement for the factory unit, designed to seamlessly adapt specialized hoses and fittings to your engine's cooling system
By eliminating the need to cut and weld older components, it provides a clean, highly reliable solution for customized cooling setups
It is an ideal upgrade for engine builders and automotive enthusiasts seeking professional fluid routing and improved cooling efficiency in modified applications
Features:
- Designed as a direct replacement for the standard factory thermostat housing
- Enables the easy adaptation of -16AN hoses and fluid fittings
- Eliminates the need for custom cutting and welding on original components
- Includes integrated provisions for the factory cooling fan switch
- Features a dedicated connection point for the engine harness ground wire
- Ideal for completing comprehensive cooling system conversions when paired with aftermarket upper coolant fill necks
Note: The large size of -16AN hose ends may require minor clearance adjustments to surrounding components, such as fill necks or scattershields.

